One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Ann Arbor can be reffered to in order to determine when it's a good idea to plant dallas fern.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since dallas fern require warm weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dallas fern in Ann Arbor is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant dallas fern and expect a good harvest is probably August. If you wait any later than that and your dallas fern may not have a chance to fully mature. Starting your dallas fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ann Arbor. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Ann Arbor and it is different every year. Half of the time in Ann Arbor you get a frost after April 15 so just be sure to be ready to cover your dallas fern in the event of a surprise late frost.

USDA Zone Info for Ann Arbor

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ann Arbor

You may be interested in your other planting guides for Ann Arbor.